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Mark Steger on Playing the Demogorgon in Stranger Things, Memories of the Cast

Sep 8, 2025
Mark Steger, the performer behind the Demogorgon in Stranger Things, shares his experiences bringing the iconic creature to life. From working with Winona Ryder and David Harbour to watching the young cast grow into stars, Steger reflects on the show’s authenticity, its 1980s setting, and the challenges of embodying nonhuman characters. He also discusses his process for creating creature movement and his work on films like I Am Legend, The Last Witch Hunter, and Scary Stories to Tell in the Dark. If you enjoyed this interview, check out more celebrity conversations and autograph stories on Tales From The Collection. ⏱️ Chapters 0:00 Intro 0:06 Working with Winona Ryder and David Harbour 1:06 Stranger Things cast growing up 1:36 Did Stranger Things get the ’80s right? 2:34 Developing the Demogorgon’s movement 3:58 Challenges of performing with nonhuman creatures

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